diff --git a/pkgs/by-name/nt/ntfy-alertmanager/package.nix b/pkgs/by-name/nt/ntfy-alertmanager/package.nix
index f90edac4745d..ef87df47b46f 100644
--- a/pkgs/by-name/nt/ntfy-alertmanager/package.nix
+++ b/pkgs/by-name/nt/ntfy-alertmanager/package.nix
@@ -6,22 +6,24 @@
 
 buildGoModule rec {
   pname = "ntfy-alertmanager";
-  version = "0.3.0";
+  version = "0.4.0";
 
   src = fetchurl {
     url = "https://git.xenrox.net/~xenrox/ntfy-alertmanager/refs/download/v${version}/ntfy-alertmanager-${version}.tar.gz";
-    hash = "sha256-8VDHeK77dcbATSFfqknlhMSP93OlDNmkzRJxLN4rCVE=";
+    hash = "sha256-5rQzJZ0BaLtfj2MfyZZJ3PEiWnaTjWOMlsJYeYENW7U=";
   };
 
-  vendorHash = "sha256-WKImEc7FvZm/6noC2+Lz4g+ASFEuRBE8nzTEDbXaWic=";
+  vendorHash = "sha256-8a6dvBERegpFYFHQGJppz5tlQioQAudCe3/Q7vro+ZI=";
 
   meta = with lib; {
-    description = "A bridge between ntfy and Alertmanager.";
+    description = "A bridge between ntfy and Alertmanager";
     homepage = "https://git.xenrox.net/~xenrox/ntfy-alertmanager";
     license = licenses.agpl3Only;
+    mainProgram = "ntfy-alertmanager";
     maintainers = with maintainers; [
       bleetube
       fpletz
     ];
+    platforms = platforms.linux;
   };
 }